Definition of sourdough noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈsaʊədəʊ//
; NAmE NAmE//ˈsaʊərdoʊ//
[uncountable] Carbohydrates
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dough (= a mixture of flour, fat and water) that is left to ferment so that it has a sour taste, used for making bread; bread made with this dough See related entries: Carbohydrates
See the Oxford Advanced American Dictionary entry: sourdough